﻿// 1.2.2.13. Create a program that assigns null values to an integer and to double variables.
// Try to print them on the console, try to add some values or the null literal to them and see the result.

using System;

class NullValues
{
    static void Main()
    {
        int? a = null;
        double? b = null;
        Console.WriteLine(a);
        Console.WriteLine(a + 12m);
        Console.WriteLine(b + 1);
        Console.WriteLine(5 + null);
    }
}